Subtract 35/90 from 70/28
1st number: 2 14/28, 2nd number: 35/90
70/28 - 35/90 is 19/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
35/90 = 35 × 14/90 × 14 = 490/1260 - Subtract the two like fractions:
3150/1260 - 490/1260 = 3150 - 490/1260 = 2660/1260 - After reducing the fraction, the answer is 19/9
- In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-70/90 70/56-35/90 70/84-35/90